From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.6 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A3D35C433E9 for ; Thu, 3 Sep 2020 16:18:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7A92820775 for ; Thu, 3 Sep 2020 16:18:45 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=oracle.com header.i=@oracle.com header.b="bazdg4y+" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728417AbgICQSo (ORCPT ); Thu, 3 Sep 2020 12:18:44 -0400 Received: from userp2120.oracle.com ([156.151.31.85]:57480 "EHLO userp2120.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726292AbgICQSn (ORCPT ); Thu, 3 Sep 2020 12:18:43 -0400 Received: from pps.filterd (userp2120.oracle.com [127.0.0.1]) by userp2120.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 083E3eub034459 for ; Thu, 3 Sep 2020 14:04:09 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=to : from : subject : message-id : date : mime-version : content-type : content-transfer-encoding; s=corp-2020-01-29; bh=cSAHFLZMKXXeB8h3AYJ+bcAPeLW2/Pbvgir0hcPB4cY=; b=bazdg4y+GtMHsPtZQnjeBuziWnFWAE92IRrMvuNtJbtoYYI3PwcRXrhFbZ9zGMivU/57 I6i/kPmYEZE/8PiELZFhA05JUXuaSTPqweNe1xKMfUSHj8fV5AqRS0Q4UoCZz/GacTmj lTotzCRo4TePlPACEP+ssEN6wj7ryuqPbAaxaBPGSKoE50VKvL+wXxBlCgDJBDbIhyVP FyX7B8H/Veg7ySdqW/aV4U97xKkDIC6l4wFyjam9SkN6iC8MYw6drbQzvI7SogknCX5A c3U66lFy8EerNBkWw98J9jizmIwppx9aYYEUo7CJI2mSBRUT7wxoOFcnbcIBoiJVK2I2 +w== Received: from userp3020.oracle.com (userp3020.oracle.com [156.151.31.79]) by userp2120.oracle.com with ESMTP id 339dmn7cgv-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL) for ; Thu, 03 Sep 2020 14:04:09 +0000 Received: from pps.filterd (userp3020.oracle.com [127.0.0.1]) by userp3020.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 083E18B7055766 for ; Thu, 3 Sep 2020 14:02:09 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by userp3020.oracle.com with ESMTP id 3380sw88w4-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Thu, 03 Sep 2020 14:02:09 +0000 Received: from abhmp0012.oracle.com (abhmp0012.oracle.com [141.146.116.18]) by userv0121.oracle.com (8.14.4/8.13.8) with ESMTP id 083E28vO004331 for ; Thu, 3 Sep 2020 14:02:08 GMT Received: from [10.159.211.29] (/10.159.211.29) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 03 Sep 2020 07:02:08 -0700 To: linux-rdma@vger.kernel.org From: Ka-Cheong Poon Subject: Finding the namespace of a struct ib_device Organization: Oracle Corporation Message-ID: <5fa7f367-49df-fb1d-22d0-9f1dd1b76915@oracle.com> Date: Thu, 3 Sep 2020 22:02:01 +0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9733 signatures=668679 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 mlxlogscore=999 adultscore=0 phishscore=0 malwarescore=0 mlxscore=0 spamscore=0 bulkscore=0 suspectscore=1 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2006250000 definitions=main-2009030130 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9733 signatures=668679 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 bulkscore=0 phishscore=0 mlxlogscore=999 adultscore=0 impostorscore=0 mlxscore=0 suspectscore=1 spamscore=0 clxscore=1011 malwarescore=0 lowpriorityscore=0 priorityscore=1501 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2006250000 definitions=main-2009030131 Sender: linux-rdma-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org When a struct ib_client's add() function is called. is there a supported method to find out the namespace of the passed in struct ib_device? There is rdma_dev_access_netns() but it does not return the namespace. It seems that it needs to have something like the following. struct net *rdma_dev_to_netns(struct ib_device *ib_dev) { return read_pnet(&ib_dev->coredev.rdma_net); } Comments? Thanks. -- K. Poon ka-cheong.poon@oracle.com